2111550165102 has 32 divisors (see below), whose sum is σ = 4898436210432. Its totient is φ = 594295568064.

The previous prime is 2111550165073. The next prime is 2111550165107. The reversal of 2111550165102 is 2015610551112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111550165102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111550165107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375183783 + ... + 375189410.

It is an arithmetic number, because the mean of its divisors is an integer number (153076131576).

Almost surely, 2^{2111550165102} is an apocalyptic number.

2111550165102 is an abundant number, since it is smaller than the sum of its proper divisors (2786886045330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111550165102 is a wasteful number, since it uses less digits than its factorization.

2111550165102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750373272.

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 2111550165102 in words is "two trillion, one hundred eleven billion, five hundred fifty million, one hundred sixty-five thousand, one hundred two".